Los Alisos

Past Producer in Sonora, Mexico with commodities Copper, Molybdenum, Silver, Lead, Zinc, Fluorine-Fluorite
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10098722
MRDS ID MX00058
Record type Site
Current site name Los Alisos
Related records 10215576

Geographic coordinates

Geographic coordinates: -109.45896, 30.40712 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Sonora

Commodities

Commodity Importance
Copper Primary
Molybdenum Secondary
Silver Secondary
Lead Tertiary
Zinc Critical Tertiary
Fluorine-Fluorite Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Fluorite Ore
Galena Ore
Molybdenite Ore
Pyrite Ore
Sphalerite Ore

Alteration

  • (Local) Silicification, Sericitization, Tourmalinization

Mineral occurrence model information

Model code 53
USGS model code 17
Deposit model name Porphyry Cu
Mark3 model number 4

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -109.45896, 30.40712

Economic information

Geologic structures

Type of structure Local
Structure description Local Structural Trends: N 30-45 W

Ore body information

  • General form COLLAPSE BRECCIA

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Medium
Significant No

Mining district

District name Nacozari

Workings at the site

  • Type of workings Unknown
    Area 10HA
    Overall length 1000M
    Overall width 90M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit BRECCIATED CU-RICH ZONES TRENDING N45E AND N30W. MORE THAN 5% PYRITE. MINERALIZATION OCCURS PRIMARILY IN ZONES OF OXIDATION ASSOCIATED WITH ABUNDANT HEMATITE, GEOTHITE, AND JAROSITE. OXIDATION EXTENDS TO 70M BELOW THE SURFACE (RAMIREZ, 1970).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Staude, John-Mark G. (Page, Norman J.) U.S. Geological Survey
Updater 01-NOV-1987 Leonard, Kenneth R. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.